Public bug reported:
When deleting a VM, libvirt-bin intermittently hits a deadlock in nwfilter
instantiation code.
This is fixed in libvirt upstream, but the below commit is not cherrypicked in
ubuntu yet:
https://github.com/libvirt/libvirt/commit/2f5e24ba00d93c25b87561cb1f5259de175d70f9
Thread 5 (Thread 0x7f2ce1c4b700 (LWP 13866)):
#0 __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1 0x00007f2cee30ce42 in __GI___pthread_mutex_lock (mutex=0x7f2c980008d0) at
../nptl/pthread_mutex_lock.c:115
#2 0x00007f2cc7d7a62f in virNWFilterLockIface () from
/usr/lib/libvirt/connection-driver/libvirt_driver_nwfilter.so
#3 0x00007f2cc7d6ebf5 in ?? () from
/usr/lib/libvirt/connection-driver/libvirt_driver_nwfilter.so
#4 0x00007f2cc7d6f84c in virNWFilterTeardownFilter () from
/usr/lib/libvirt/connection-driver/libvirt_driver_nwfilter.so
---Type <return> to continue, or q <return> to quit---
#5 0x00007f2ceea32f0c in virDomainConfVMNWFilterTeardown () from
/usr/lib/x86_64-linux-gnu/libvirt.so.0
#6 0x00007f2cc73d5a86 in qemuProcessStop () from
/usr/lib/libvirt/connection-driver/libvirt_driver_qemu.so
#7 0x00007f2cc7420577 in ?? () from
/usr/lib/libvirt/connection-driver/libvirt_driver_qemu.so
#8 0x00007f2ceea857cf in virDomainDestroy () from
/usr/lib/x86_64-linux-gnu/libvirt.so.0
#9 0x000055c4ba3fe9db in ?? ()
#10 0x00007f2ceeaf8f69 in virNetServerProgramDispatch () from
/usr/lib/x86_64-linux-gnu/libvirt.so.0
#11 0x00007f2ceeaf4478 in ?? () from /usr/lib/x86_64-linux-gnu/libvirt.so.0
#12 0x00007f2cee9eb566 in ?? () from /usr/lib/x86_64-linux-gnu/libvirt.so.0
#13 0x00007f2cee9eaae8 in ?? () from /usr/lib/x86_64-linux-gnu/libvirt.so.0
#14 0x00007f2cee30a6ba in start_thread (arg=0x7f2ce1c4b700) at
pthread_create.c:333
#15 0x00007f2cee04041d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 17 (Thread 0x7f2cc2801700 (LWP 8866)):
#0 __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1 0x00007f2cee30ce42 in __GI___pthread_mutex_lock (mutex=0x7f2cc7f8d280) at
../nptl/pthread_mutex_lock.c:115
#2 0x00007f2cc7d6f6d3 in virNWFilterInstantiateFilterLate () from
/usr/lib/libvirt/connection-driver/libvirt_driver_nwfilter.so
#3 0x00007f2cc7d7a9b2 in ?? () from
/usr/lib/libvirt/connection-driver/libvirt_driver_nwfilter.so
#4 0x00007f2cee9eab12 in ?? () from /usr/lib/x86_64-linux-gnu/libvirt.so.0
#5 0x00007f2cee30a6ba in start_thread (arg=0x7f2cc2801700) at
pthread_create.c:333
#6 0x00007f2cee04041d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
** Tags: trusty xenial
** Tags removed: pat
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https://bugs.launchpad.net/bugs/1753604
Title:
libvirt-bin nwfilter deadlock
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